function getHTTPObject(){
    if(typeof XMLHttpRequest == "undefined"){
        XMLHttpRequest = function(){
            try { return new ActiveXObject('Msxml2.XMLHTTP.6.0') }
            catch (e) {}
            try { return new ActiveXObject('Msxml2.XMLHTTP.3.0') }
            catch (e) {}
            try { return new ActiveXObject('Msxml2.XMLHTTP') }
            catch (e) {}
            return false
        }
    }
    return new XMLHttpRequest()
}